Hillman 3/8 in. x 2 in. Zinc-Plated Steel Carriage Bolt, 100-Pack3 8 in. x 2 in. Zinc Plated Carriage Bolts (100 Pack) Heavy duty Hillman carriage bolts secure wood to wood or wood to metal connections with a smooth, low profile dome head. Zinc plated Grade 2 steel resists corrosion and provides reliable holding power for general construction and DIY projects. Key Features: Secure Wood Joinery: Square neck under the dome head locks into wood to prevent spinning during tightening Corrosion Resistant Finish: Zinc

3/8 in. x 2 in. Zinc-Plated Carriage Bolts (100-Pack)

Heavy-duty Hillman carriage bolts secure wood-to-wood or wood-to-metal connections with a smooth, low-profile dome head. Zinc-plated Grade 2 steel resists corrosion and provides reliable holding power for general construction and DIY projects.

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Key Features:

• Secure Wood Joinery: Square neck under the dome head locks into wood to prevent spinning during tightening
• Corrosion-Resistant Finish: Zinc plating offers rust resistance for indoor and some sheltered outdoor uses
• Durable Steel Construction: Grade 2 carbon steel for reliable strength in general-purpose fastening
• Clean, Low-Profile Head: Rounded carriage head provides a semi-flush, snag-free finish without a washer
• Convenient Bulk Pack: 100-piece boxed set in 3/8 in. diameter x 2 in. length with coarse threads

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Specifications Table:

Specification	Details
Diameter	3/8 in
Length	2 in
Material	Steel
Finish	Zinc-Plated
Thread Type	Coarse
Unit of Measurement	SAE
Grade	2
Head Style	Round dome (carriage) with square neck
Number in Package	100 pk
Packaging Type	Boxed

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Frequently Asked Questions (FAQ):

Q: What size are these carriage bolts?
A: They are 3/8 inch diameter by 2 inches long with coarse threads.

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Q: What materials are these made from?
A: They are Grade 2 steel with a zinc-plated finish for corrosion resistance.

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Q: Are these suitable for outdoor use?
A: The zinc plating provides rust resistance, suitable for indoor or sheltered outdoor applications; for harsh outdoor environments, consider hot-dipped galvanized or stainless steel.

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Q: Do I need a tool to hold the head while tightening?
A: No. The square neck beneath the head bites into wood to prevent spinning; tighten with a nut and wrench from the threaded end.

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Q: How many bolts come in the package?
A: 100 bolts per boxed pack.

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Sleek Strength for Timeless Wood Joinery

The gentle dome of a carriage bolt lends a refined, almost tailored finish to built-in benches, gates, and artisanal furniture. I love how the square neck nests into timber, keeping lines clean while adding a subtle industrial note. Pair these with oiled oak or painted shiplap for a crisp contrast that feels both honest and elevated. It’s a small detail that delivers big on polish and everyday durability—essential hardware for luxe, lasting spaces.

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Upgrade your projects with this 100-pack of zinc-plated Hillman carriage bolts and achieve strong, clean wood connections with ease.